post-install: warn if cross wrapper not cleared

common/hooks/post-install/99-pkglint-warn-cross-cruft.sh

@@ -0,0 +1,21 @@
+# This hook warns if :
+# - Any text file /usr/{bin,lib,libexec,share} contains $XBPS_CROSS_BASE
+# - Any text file /usr/{bin,lib,libexec,share} contains $XBPS_WRAPPERDIR
+
+hook() {
+	if [ -z "$CROSS_BUILD" ]; then
+		return 0
+	fi
+	for d in bin lib libexec share; do
+		for f in $PKGDESTDIR/usr/$d/* $PKGDESTDIR/usr/$d/**/*; do
+			case "$(file -bi "$f")" in
+			text/*) if grep -q -e "$XBPS_CROSS_BASE" \
+					   -e "$XBPS_WRAPPERDIR" "$f"; then
+					msg_warn "${f#$PKGDESTDIR} has cross cruft\n"
+				fi
+				;;
+			esac
+		done
+	done
+	return 0;
+}